Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mem cong hoa snippets" » "te cong hoa snippets", "may cong hoa snippets", "moi cong hoa snippets", "mem dong hoa snippets", "mem dong hoc snippets", "mem hang hoa snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mem cong hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mem cong hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mem cong hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mem cong hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.